These days you have to watch out for more than just more viruses. While common sense is still the best antidote to the most common online threats, things like ransomware, identity theft, phony tech support scams, and social engineering can cost you thousands of dollars. There’s no subscription for common sense (unfortunately), but paid A/V suites often come with extras like password managers, tech support, and identity theft protection. You can try out the below antivirus software.